143313103 has 4 divisors (see below), whose sum is σ = 143646048. Its totient is φ = 142980160.

The previous prime is 143313101. The next prime is 143313127. The reversal of 143313103 is 301313341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 143313103 - 2¹ = 143313101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143313101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165826 + ... + 166687.

It is an arithmetic number, because the mean of its divisors is an integer number (35911512).

Almost surely, 2^143313103 is an apocalyptic number.

143313103 is a deficient number, since it is larger than the sum of its proper divisors (332945).

143313103 is an equidigital number, since it uses as much as digits as its factorization.

143313103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332944.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 143313103 is about 11971.3450789792. The cubic root of 143313103 is about 523.3135337644.

Adding to 143313103 its reverse (301313341), we get a palindrome (444626444).

The spelling of 143313103 in words is "one hundred forty-three million, three hundred thirteen thousand, one hundred three".